/Engine/Plugins/Runtime/Metasound/Source/MetasoundFrontend/Public/MetasoundParameterPack.h
A template that lets us stick an arbitrary data type into the raw 'bag-o-bytes' that is the parameter storage. Uses the base class above.
template<typename T, int32 MaxNumItems> struct FMetasoundParameterPackItem : public [MetasoundParameterPackPrivate::FMetasoundParameterPackItemBase](API\Plugins\MetasoundFrontend\FMetasoundParameterPackItemBase)
TRootValueType<...
Value